Home

service letter - Cessna Support

1. 1973 F33700056 thru F33700063 F337G 1974 F33700064 thru F33700071 F337G 1975 F33700072 thru F33700076 F337G 1976 F33700077 thru F33700079 F337G 1977 F33700080 thru F33700084 F337H 1978 F33700085 thru F33700086 FT337GP 1973 FP33700001 thru FP33700008 FT337GP 1974 FP33700009 thru FP33700013 FT337GP 1975 FP33700014 thru FP33700015 FT337GP 1976 FP33700016 thru FP33700017 FT337GP 1977 FP33700018 thru FP33700022 FT337HP 1978 FP33700023 P337H 1978 P3370293 thru P3370318 P337H 1979 P3370319 thru P3370341 T337G 1973 P3370001 thru P3370148 T337G 1974 P3370149 thru P3370193 T337G 1975 P3370194 thru P3370195 T337G 1975 P3370197 thru P3370225 T337G 1976 P3370226 thru P3370257 T337G 1977 P3370258 thru P3370292 DESCRIPTION To provide a spares replacement for the 28 volt starter contactor APPROVAL FAA approval has been obtained on technical data in this publication that affects airplane type design For Reims Aviation Airplanes DGAC approval has not been obtained on technical data in this publication The affected F model and serial number airplanes are included for informational purposes DGAC approval must be obtained for Reims airplanes prior to installation CHANGE IN WEIGHT AND BALANCE Negligible SK337 74 Page 2 SERVICE KIT SK337 74 MATERIAL INFORMATION The parts below cover installation for one airplane NEW P N QUANTITY DESCRIPTION OLD P N
2. MEL 24 02 has been issued MEL 24 02 provides spares replacement for obsolete 12 volt and 24 volt contactors MEL 24 02 provides parts and instructions for replacement of obsolete 12 volt and 24 volt contactors with Lamar contactors COMPLIANCE OPTIONAL This service letter can be accomplished at the discretion of the owner LABOR HOURS Not applicable WARRANTY Not Applicable NOTE As a convenience service documents are now available online to all our customers through a simple free of charge registration process If you would like to sign up please visit the Customer Access link at www cessnasupport com to register This owner advisory will not be mailed to airplane owners It is provided as an attachment to this service letter MEL 24 02 Month Dd 2013 Page 1 of 1 Cessna Aircraft Company Cessna Customer Service P O Box 7706 Wichita KS 67277 U S A 1 316 517 5800 Fax 1 316 517 7271 Email customercare cessna textron com This document contains technical data and is subject to U S export regulations This information has been exported from the United States in accordance with export administration regulations Diversion contrary to U S law is prohibited ECCN 9A991 COPYRIGHT 2013 Multi engine SERVICE KIT SK337 74 TITLE 28 VOLT STARTER CONTACTOR REPLACEMENT EFFECTIVITY Model Year Serial Numbers 337 1965 337 0002 thru 337 0239 337A 1966 337 0240 thru 337 0305 337A 1966 337 0307
3. 2 Cessna Aircraft Company Cessna Customer Service P O Box 7706 Wichita KS 67277 U S A 1 316 517 5800 Fax 1 316 517 7271 Email customercare cessna textron com This document contains technical data and is subject to U S export regulations This information has been exported from the United States in accordance with export administration regulations Diversion contrary to U S law is prohibited ECCN 9A991 COPYRIGHT 2013 MEL 24 02 Page 2 April 4 2013 Multi engine SERVICE LETTER MEL 24 02 MATERIAL INFORMATION NEW P N INSTALLATION INSTRUC TIONS KEY WORD OLD P N INSTRUCTIONS DISPOSITION P52 0016 SK337 74 Contactor Kit 24V Intermittent Duty S1577 1 S1577A1 8781 8 Discard X61 0030 Not Required Direct Replacement Contactor 12V Intermittent Duty S2103 1 S2103A1 111 139D Discard P52 0033 LSI 018 Rev A Contactor Kit 12V Intermittent Duty S1991 1 S1991A1 111 138D SAW4204 1 SAW4206 1 Discard P52 0034 LSI 018 Rev A Contactor Kit 12V Continuous Duty S1660 1 S1660A1 8781 10 Discard P52 0034 1 LSI 017 Rev A Contactor Kit 12V Continuous Duty S1579 1 S1579 2 S1579A2 111 140D Discard P52 0035 1 LSI 017 Rev A Contactor Kit 24V Continuous Duty S1580 1 S1580A1 8781 9 Discard Multi engine OWNER ADVISORY MEL 24 02 TITLE ELECTRICAL POWER CONTACTOR REPLACEMENT TO Cessna Multi Engine Owner REASON This owner advisory is to inform you that
4. 2 06 2013 SERVICE INFORMATION LETTER CONTACTOR KITS Issued 1 17 2013 REPLACING THE CESSNA CONTACTORS LSI 018 REV A RELEASE DATE 1 17 13 PAGE 1 OF 1 SUBJECT This letter is to provide wiring installation instructions for Lamar P N P52 0033 12V Intermittent Duty Contactor kit and Lamar P N P52 0034 12V Continuous Duty Contactor kit as a replacement for the Cessna P N S1991 Intermittent Duty and S1660 Continuous Duty contactors These instructions shall be printed and distributed in the packaging with each contactor kit REASON To provide clarification of contactor terminal definition for installing on aircraft INFORMATION Reference Figure shown below The Lamar contactor kit will come with a black jumper wire with one end installed on the Coil Ground Terminal This jumper when connected to the airframe ground as shown shall convert a 4 terminal contactor for replacement of a 3 terminal contactor 3 terminal contactors S1991 and S1660 have this connection inside the contactor without a Coil Ground Terminal Aircraft wiring must control on or off the contactor coil through the Coil Power Terminal and not have any wires except jumper attached to the Coil Ground Terminal For technical support call Cessna Customer Care at 316 517 5800 FIGURE Battery Terminal Load Terminal Coil Power Terminal Coil Ground Terminal do not connect aircraft wires here Black Jumper Wire Cessna Aircraft Company Propr
5. DISPOSITION SK337 74 1 Kit consisting of the following parts P52 0016 2 28 Volt Starter Contactor S1577 1 S1577A1 8781 8 Discard 1 Instructions ACCOMPLISHMENT INSTRUCTIONS 1 Prepare the airplane for maintenance A Make sure that all switches are in the OFF NORM position B Remove the upper left engine cowl C Disconnect electrical power from the airplane 1 Disconnect the airplane battery 2 Disconnect external electrical power D Attach maintenance warning tags to the battery and external power receptacle that have DO NOT CONNECT ELECTRICAL POWER MAINTENANCE IN PROGRESS written on them CAUTION Do not use the P52 0016 28 Volt Starter Contactor to replace contactors in the airplane other than those in the starter system If you replace a contactor other than a starter contactor with the P52 0016 28 Volt Starter Contactor damage to the equipment will occur 2 Get access to the 28 volt starter contactors on the left side of the forward engine rewall Refer to the applicable sections of the Service Manual NOTE To nd the contactors you can follow the starter power cable from the starter to the contactor 3 Refer to Figure 1 Remove and discard the 28 volt starter contactors Keep the attaching hardware Refer to the applicable sections of the Service Manual 4 With the kept attaching hardware install the two new P52 0016 28 Volt Starter Contactors Refer to the appli
6. Multi engine SERVICE LETTER MEL 24 02 TITLE ELECTRICAL POWER CONTACTOR REPLACEMENT EFFECTIVITY All Cessna Multi Engine airplanes equipped with 12 volt and 24 volt contactors listed in this service letter REASON To provide spares replacement for obsolete 12 volt and 24 volt contactors DESCRIPTION To provide parts and instructions for replacement of obsolete 12 volt and 24 volt contactors with Lamar contactors COMPLIANCE OPTIONAL This service letter can be accomplished at the discretion of the owner REFERENCES Applicable Cessna Airplane Maintenance Service Manuals and Illustrated Parts Catalogs Cessna Service Kit SK337 74 or latest revision 28 Volt Starter Contactor Replacement Lamar Technologies LLC Service Information Letter LSI 017 Revision A or latest Cessna approved revision Replacing the Cessna Contactors Lamar Technologies LLC Service Information Letter LSI 018 Revision A or latest Cessna approved revision Replacing the Cessna Contactors PUBLICATIONS AFFECTED Applicable Cessna Airplane Maintenance Service Manuals and Illustrated Parts Catalogs ACCOMPLISHMENT INSTRUCTIONS Applicable Cessna Service Kit and or Lamar Technologies Service Information Letter installation instructions are included with the contactor contactor kits listed in the Material Information Section of this service letter when they are shipped from Cessna Service Parts and Programs MEL 24 02 April 4 2013 Page 1 of
7. cable sections of the Service Manual CAUTION Make sure that you install the wires to the same contactor mount bolts as shown in Figure 1 If you install the wires in a different con guration than the one shown in Figure 1 damage to the contactor and the equipment will occur A As you install each of the two contactors install the loose end of the ground wire that is attached to the contactor under one of the contactor mount bolts to provide a ground for the contactor coil CAUTION If the airplane has a diode wire do not replace the diode wire with a standard ground wire If you replace the diode wire with a standard ground wire damage to the starter contactor will occur CAUTION If the airplane has a diode wire do not install the diode wire on the same connector stud with the ground wire If you install the diode wire and the ground stud wire on the same connector stud damage to the starter contactor will occur B If the airplane has a diode wire install it on the new starter contactor But install it on a different connector stud then the one on which the ground stud wire is installed SK337 74 Page 3 SERVICE KIT SK337 74 5 Install the upper left engine cowl 6 Remove maintenance warning tags and connect the airplane battery 7 Make an entry in the airplane logbook stating this service kit has been installed SK337 74 Page 4 SERVICE KIT SK337 74 Figure 1 28 Volt Starter Contactor Replacement Sh
8. eet 1 SK337 74 Page 5 SERVICE INFORMATION LETTER CONTACTOR KITS Issued 1 17 2013 REPLACING THE CESSNA CONTACTORS LSI 017 REV A RELEASE DATE 1 17 13 PAGE 1 OF 1 SUBJECT This letter is to provide wiring installation instructions for Lamar P N P52 0034 1 12V Contactor kit and Lamar P N P52 0035 1 24V Contactor kit as a replacement for the Cessna P N S1579 12V and S1580 24V contactors These instructions shall be printed and distributed in the packaging with each contactor kit REASON To provide clarification of contactor terminal definition for installing on aircraft INFORMATION Reference Figure shown below The Lamar contactor kit will come with a red jumper wire installed from the Battery Terminal to the Coil Power Terminal This jumper shall convert a 4 terminal contactor for replacement of a 3 terminal contactor 3 terminal contactors S1579 and S1580 have this connection inside the contactor without a coil power terminal Aircraft wiring must control on or off the contactor coil through the Coil Ground Terminal and not have any wires except jumper attached to the Coil Power Terminal For technical support call Cessna Customer Care at 316 517 5800 FIGURE Battery Terminal Load Terminal Coil Ground Terminal Coil Power Terminal DO NOT connect aircraft wires here Red Jumper Wire Cessna Aircraft Company Proprietary Information Cessna Aircraft Company Proprietary Information Printed On 0
9. ietary Information Cessna Aircraft Company Proprietary Information Printed On 02 06 2013
10. thru 337 0469 337A 1966 337 0471 thru 337 0525 337B T337B 1967 337 0526 thru 337 0568 337B T337B 1967 337 0570 thru 337 0755 337B T337B 337 0001 337 0470 337C T337C 1968 337 0756 thru 337 0978 337D T337D 1969 337 0979 thru 337 1193 337E T337E 1970 33701194 thru 33701316 337F T337F 1971 33701317 thru 33701398 T337F 33700569 337F 1972 33701399 thru 33701448 337F 1972 33701450 thru 33701462 337F 33700306 337G 1973 33701463 thru 33701550 337G 1974 33701551 thru 33701606 337G 1975 33701607 thru 33701671 337G 1976 33701672 thru 33701748 337G 1977 33701749 thru 33701815 337G 33701449 337H T337H 1978 33701816 thru 33701853 337H T337H 1978 33701855 thru 33701874 337H T337H 1979 33701875 thru 33701908 337H T337H 33701854 F337E FT337E 1970 F33700001 thru F33700024 April 17 2006 Page 1 of 5 To obtain satisfactory results procedures speci ed in this publication must be accomplished in accordance with accepted methods and prevailing government regulations Cessna Aircraft Company cannot be responsible for the quality of work performed in accomplishing the requirements of this publication Cessna Aircraft Company Product Support P O Box 7706 Wichita Kansas 67277 U S A 316 517 5800 Facsimile 316 942 9006 COPYRIGHT 2006 SERVICE KIT SK337 74 F337E FT337E 1971 F33700025 thru F33700045 F337E FT337E 1972 F33700046 thru F33700055 F337G

service letter - Cessna Support

Contents

Download Pdf Manuals

Related Search

Related Contents